διαμιλλᾶσθαι

From LSJ

δίδαξε γὰρ Ἄρτεμις αὐτὴ βάλλειν ἄγρια πάντα → for Artemis taught him how to shoot all wild beasts

Source

Greek > English (Woodhouse Verbs Reversed)

(see also διαμιλλάομαι): contend with